{"raw_statement":[{"iden":"problem statement","content":"Sitting in a station waiting room, Joisino is gazing at her train ticket.\nThe ticket is numbered with four digits $A$, $B$, $C$ and $D$ in this order, each between $0$ and $9$ (inclusive).\nIn the formula $A$ $op1$ $B$ $op2$ $C$ $op3$ $D$ $=$ $7$, replace each of the symbols $op1$, $op2$ and $op3$ with `+` or `-` so that the formula holds.\nThe given input guarantees that there is a solution. If there are multiple solutions, any of them will be accepted."},{"iden":"constraints","content":"*   $0≤A,B,C,D≤9$\n*   All input values are integers.\n*   It is guaranteed that there is a solution."},{"iden":"input","content":"Input is given from Standard Input in the following format:\n\n$ABCD$"},{"iden":"sample input 1","content":"1222"},{"iden":"sample output 1","content":"1+2+2+2=7\n\nThis is the only valid solution."},{"iden":"sample input 2","content":"0290"},{"iden":"sample output 2","content":"0-2+9+0=7\n\n$0 - 2 + 9 - 0 = 7$ is also a valid solution."},{"iden":"sample input 3","content":"3242"},{"iden":"sample output 3","content":"3+2+4-2=7"}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}